# Annual precipitation in Will County

Annual precipitation in Will County was 30.36 inches in 2025. Source: NOAA National Centers for Environmental Information.

- Indicator id: `precipitation_annual`
- Place id: `us-county-17197`
- Unit: inches
- Definition: Total precipitation from January to December, in inches: rain plus the water content of snow and other frozen precipitation. NOAA computes it from its climate divisional dataset (nClimDiv): station readings interpolated onto a 5 km grid and averaged over the area.
- Note: Values are area averages, not the reading at one weather station. NOAA revises the last two years every month.
- Source: NOAA National Centers for Environmental Information, NOAA Climate at a Glance, January to December precipitation, counties (https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping)
- Publisher page: https://invokely.ai/en/publishers/noaa-ncei
- Retrieved: 2026-10-12
- License: Public domain (US government work); NCEI asks users to cite the nClimDiv dataset
- Citation: NOAA National Centers for Environmental Information, Climate at a Glance. NOAA Climate at a Glance, January to December precipitation, counties. From the NOAA Monthly U.S. Climate Divisional Database (nClimDiv), doi:10.7289/V5M32STR. https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/county/mapping. Retrieved 2026-10-12.
- Web page: https://invokely.ai/en/annual-precipitation/will-county-illinois
- API: https://invokely.ai/api/v1/series?indicator=precipitation_annual&place=us-county-17197

| Period | inches |
|---|---:|
| 2025 | 30.36 |
| 2024 | 39.97 |
| 2023 | 37.73 |
| 2022 | 31.95 |
| 2021 | 33.74 |
| 2020 | 37.48 |
| 2019 | 50.42 |
| 2018 | 37.56 |
| 2017 | 43.13 |
| 2016 | 40.6 |
| 2015 | 44.89 |
| 2014 | 42.06 |
| 2013 | 38.67 |
| 2012 | 29.21 |
| 2011 | 45.39 |
| 2010 | 37.67 |
| 2009 | 47.14 |
| 2008 | 45.75 |
| 2007 | 42.52 |
| 2006 | 45.58 |
| 2005 | 28.71 |
| 2004 | 38.43 |
| 2003 | 38.08 |
| 2002 | 31.55 |
| 2001 | 35.65 |
| 2000 | 38.26 |
| 1999 | 35.49 |
| 1998 | 39.6 |
| 1997 | 34.96 |
| 1996 | 37.46 |
| 1995 | 36.54 |
| 1994 | 34.17 |
| 1993 | 49.75 |
| 1992 | 32.7 |
| 1991 | 37.12 |
| 1990 | 49.35 |
| 1989 | 33.18 |
| 1988 | 28.95 |
| 1987 | 38.06 |
| 1986 | 33.39 |
| 1985 | 39.42 |
| 1984 | 33.6 |
| 1983 | 41.07 |
| 1982 | 42.9 |
| 1981 | 38.67 |
| 1980 | 36.97 |
| 1979 | 40.61 |
| 1978 | 34.09 |
| 1977 | 40.74 |
| 1976 | 31.33 |
| 1975 | 41.72 |
| 1974 | 40.04 |
| 1973 | 41.59 |
| 1972 | 48.28 |
| 1971 | 28.14 |
| 1970 | 42.85 |
| 1969 | 34.76 |
| 1968 | 33.43 |
| 1967 | 39.02 |
| 1966 | 33.94 |
| 1965 | 41.13 |
| 1964 | 28.75 |
| 1963 | 23.83 |
| 1962 | 27.73 |
| 1961 | 39.61 |
| 1960 | 29.07 |
| 1959 | 38.97 |
| 1958 | 30.19 |
| 1957 | 42.63 |
| 1956 | 24.52 |
| 1955 | 30.87 |
| 1954 | 41.91 |
| 1953 | 31.34 |
| 1952 | 32.97 |
| 1951 | 39.83 |
| 1950 | 38.17 |